[APD] Re: New pond algae and heat questions

["Giancarlo Podio" <gp at isaconsulting_com>]

That's some strange advice, water movement if anything will help reduce the
temperature plus maintain oxygen levels. Our waterfall runs year round, the
way we have it built there is no chance for water to flow anywhere else
other than back to the pond, even when the pond freezes over in winter the
waterfall keeps going strong and keeps a corner of the pond from freezing
over. As for the algae problem, we are lucky to have some big trees around
the pond that provide shade however the easiest method is probably to use a
floating plant such as frogbit, it will cover the surface rather quickly and
you can easily scoop out the unwanted bulk. We net it out of our pond
regularly, we find it's a great way to control algae, specially when other
plant mass is low. We've tried duckweed but the fish eat it all up, hornwart
also grows well but doesn't shade very much. But we've never had to deal
with hair algae before, mostly just green/black algae on the rocks and other
surfaces.

Hope that helps
Giancarlo Podio


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  a.. To: "Aquatic-Plant Digest" <Aquatic-Plants at actwin_com>
  b.. Subject: [APD] New pond algae and heat questions
  c.. From: "James Capelle" <jcapwet at cox_net>
  d.. Date: Sun, 1 Aug 2004 18:52:56 -0400
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I have a new pond that my Better (Best) half had a landscape
designer/contractor come in and landscape the back yard with a 2700 gal
pond.   The person who dug the hole didn't follow the landscaper's
instruction and make it deeper then they normally would dig ponds.  I
requested a hole at lest 6 feet deep, if not deeper.  The hole only went to
four feet deep.  Ever since the pond has been filled it has had an algae
problem (to me) now the waterfall has hair type algae on the rocks (not any
where else in the pond has that).   Here the question;

 1. The landscaper contractor told my wife the shut of the waterfall (and
the only source of water surface transfer) during the hottest part of the
day 2:30 PM until 6:30 PM to control the temperature.  I say leave it on to
give on to provide more oxygen to the fish in the high temperature that we
get in Gainesville Florida during the summer.

2. The algae problem.  I would like to use Barley Straw extract to clear it
up, but on the other hand it does filter the sun from getting the fish.  I
do have a bridge crossing the center of the pond to over shade and some
plants also. This pond gets many hours of sun daily.  Next year the broader
plants will be high to offer more shading, but this year.

And to my collecting friends in NFC from the North Central Florida area the
pond warming party is coming soon.  JiM C.
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